Philippa Coulthard and Lucy Fry previously played together on the show Lightning Point (2011)
When Katie and Alex visit Beth in the rehabilitation facility, Alex says "I know you wanna help your family out, but maybe we could help out like the Girl Guides do by selling cookies or doing odd jobs." This shows that script has been written with a US audience in mind, because Girls Guides in Australia do not sell "cookies", and because Australians use the word "biscuits" rather than "cookies",
Ben Lawson's characters first name is Joshua.The Same as his actor brother.